Base for a telephone set



FIG. 1 is a front perspective view of the telephone set base showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a back elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

The broken line showing of a support edge is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a base for a telephone set, as shown and described. 